Here is an article analyzing the degradation of the Railgun's psyche.
: Her shift from following Touma's "hero" path to finding her own, more pragmatic methods of fighting evil. Emotional Growth Mikoto-s Four-Year Breakdown.14
: Comparison between the canon Mikoto (who withstands the "Sisters" experiment) and this version’s total breakdown. Deconstruction Here is an article analyzing the degradation of
, where she notably goes against the protagonist Touma's usual non-lethal ideals to protect those she cares about. The "Breakdown" Format Mikoto-s Four-Year Breakdown.14